---
update:
   - The following deprecated options have been removed:
     - create instances:
       - --num-instance replaced by --min-count and --max-count
       - --key_name replaced by --key-name
       - --user_data replaced by --user-data
       - --availability_zone replaced by -- availability-zone
       - --security_groups replaced by --sercurity-groups
       - --block_device_mapping replaced by --block-device-mapping
     - list servers:
       - --reservation_id replaced by --reservation-id
       - --instance_name replaced by --instance-name
       - --all_tenants replaced by --all-tenants
     - rebuild instance:
       - --rebuild_password replaced by --rebuild-password
     - get serial console:
       - --console_type replaced by --console-type
     - create dns private domain:
       - --availability_zone replaced by --availability-zone
     - list security groups:
       - --all_tenants replaced by --all-tenants
     - add key pairs:
       - --pub_key replaced by --pub-key
     - live-migrate servers:
       - --block_migrate replaced by --block-migrate
       - --disk_over_commit replaced by --disk-over-commit
     - update quotas:
       - --floating_ips replaced by --floating-ips
       - --metadata_items replaced by --metadata-items
       - --injected_files replaced by --injected-files
       - --injected_file_content_bytes replaced by --injected-file-content-bytes
     - update quota classes:
       - --floating_ips replaced by --floating-ips
       - --metadata_items replaced by --metadata-items
       - --injected_files replaced by --injected-files
       - --injected_file_content_bytes replaced by --injected-file-content-bytes
     - create server groups:
       - --policy
     - Authentication Options:
       - --os_username replaced by --os-username
       - --os_password replaced by --os-password
       - --os_tenant_name replaced by --os-tenant-name
       - --os_auth_url replaced by --os-auth-url
       - --os_region_name replaced by --os-region-name
       - --os_auth_system replaced by --os-auth-system
       - --endpoint-type replaced by --os-endpoint-type
     - Optional arguments:
       - --service_type replaced by --service-type
       - --service_name replaced by --service-name
       - --volume_service_name replaced by --volume-service-name
       - --os_compute_api_version replaced by --os-compute-api-version
       - --bypass_url replaced by --bypass-url
